The S&W Model 10, originally called the Hand Ejector, is the best-selling revolver in history. The 2-inch snub-nose variant became a staple of plainclothes detectives and off-duty officers worldwide. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 6 Year introduced: 1899, USA Weight: 30.5 oz Overall length: 6.75" Status: Active Military use: Yes Intended use: Duty, Carry, Sport